CN1210416A - Image sensor - Google Patents
Image sensor Download PDFInfo
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- CN1210416A CN1210416A CN 98104407 CN98104407A CN1210416A CN 1210416 A CN1210416 A CN 1210416A CN 98104407 CN98104407 CN 98104407 CN 98104407 A CN98104407 A CN 98104407A CN 1210416 A CN1210416 A CN 1210416A
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- light
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- Light Sources And Details Of Projection-Printing Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The present invention aims to obtain an even line light source by linearly arranging plural point emitting elements. A light introducing body 21 is provided with a recessed part 21a so that a light outgoing from a light emitting diode 5 can be made incident to the light introducing body 21 vertically without being reflected.
Description
The present invention relates to for example to be used for the imageing sensor of the image input part etc. of picture unit.
Figure 10 is the special structure chart of opening the major part of the conventional images transducer shown in the flat 7-162586 communique of expression.Among the figure, fastening glass panels 2 on the framework 1 of each component locations of decision.Glass plate 2 is positioned on the all-moving surface of original copy 3.In addition, on framework 1, LED substrate 4 is fixed on the position that tiltedly faces toward with glass plate 2.A plurality of somes light-emitting components be light-emitting diode 5 linearly configured in parallel on LED substrate 4, wholely constitute line source.
Between light-emitting diode 5 and glass plate 2, the radiant light that sends from light-emitting diode 5 is fixed on photoconduction on the rectangular plate shape light conductor 6 of glass plate 2 after focusing on.And then, on the sensor base plate 7 that is fixed in 1 allocation of framework, with suitable, the linearly configured in parallel sensor IC 8 of the amplitude that reads of imageing sensor.Imageing sensor 8 respectively has several mm long.Between glass plate 2 and sensor IC 8, be provided with the post set of lenses 9 that the erecting equal-magnification imaging is used.This post set of lenses 9 has a plurality of post lens, be fixed on framework 1 on the fixed position.
Below, operation principle is described.The light that sends from light-emitting diode 5 shines on the original copy 3 by light conductor 6 and glass plate 2.At this moment, carry out total reflection in the light conductor that arrow is shown in 6 because of the light that sends from light-emitting diode 5 such as Figure 11 and Figure 12,, improved the illumination of the light that shines original copy 3 so prevented the diffusion of light.
In addition, be radiated at light on the original copy 3 according to deep or light reflection of original copy 3 images, by the post lens of post set of lenses 9, imaging on sensor IC 8.According to catoptrical intensity, on sensor IC 8, put aside electric charge, the information of intensity of reflected light is through sensor base plate 7 outputs.Therefore, on glass plate 2, move, can export the general image information of original copy 3 by original copy 3.
Secondly, Figure 13 represents for example special structure chart of opening the major part of the conventional images transducer shown in the flat 7-162586 communique.Among the figure, glass plate 2, substrate 12, speculum 13 and post set of lenses 9 location also are fixed on the framework 11.A plurality of light-emitting diodes 5 and a plurality of sensor IC 8 linearly configured in parallel respectively are on substrate 12.
In this routine imageing sensor, its light-emitting diode 5 and sensor IC 8 are contained on the same substrate 12, and the light that sends from light-emitting diode 5 is radiated on the original copy 3 after speculum 13 reflections.
Secondly, Figure 14 represents for example special structure chart of opening the major part of the conventional images transducer shown in the flat 8-163320 communique.Among the figure, the light conductor 15 of glass plate 2 and light-emitting diode 5 is installed and is equipped with post set of lenses 9 and the sensor base plate of sensor IC 8 16 location and being fixed on the framework 14.Light conductor 15 is all covered by outer cover 17 except that outgoing plane 15a.In addition, light diffusion layer (not shown) is set on a part of periphery of light conductor 10, the light in the light conductor 15 is reflected to outgoing plane 15a.
In such imageing sensor, the light that incides in the light conductor 15 from light-emitting diode 5 reflects through light diffusion layer and outer cover 17, penetrates from outgoing plane 15a again.The light that penetrates from light conductor 15 shines on the original copy 3 by glass plate 2.In addition, from the light of original copy 3 reflection post lens, imaging on sensor IC 8 by post set of lenses 9.
In above-mentioned such conventional images transducer that constitutes, for imageing sensor shown in Figure 10, as shown in Figure 11, when the light that penetrates radially from light-emitting diode 5 incides light conductor 6, because of to the inside the refraction, so each light-emitting diode 5 just above become bright especially, can not obtain uniform line source, the light that shines on the original copy 3 is inhomogeneous, thereby quality of drawing is reduced.
In addition, for imageing sensor shown in Figure 13, because of the light that sends from light-emitting diode 5 is reflected by speculum 13, thus after being assembled, light shines on the original copy 3, and little from the output of sensor base plate 12, thus quality of drawing is reduced.
And then, for Figure 10 and imageing sensor shown in Figure 13, because of between glass plate 2 and post set of lenses 9, having the space, enter on the light path in this space so have foreign matter sometimes.Like this, when entering foreign matter on the light path, the mistake of the deep or light information of image can occur, make and read the precision reduction, quality of drawing descends.
And then also have, for Figure 10 and imageing sensor shown in Figure 14, because of the light that penetrates from light conductor 6,15 has 180 wide-angle to the outgoing plane of light conductor 6,15, so have outside the composition of the light of original copy 3, also have the composition of parallel light towards framework 1,14, thereby the service efficiency of the light that sends from light-emitting diode 5 is reduced with glass plate 2.At this, in imageing sensor, the electric power ratio sensor IC8 that light-emitting diode 5 consumes is also big, so the service efficiency of light reduces, and causes power wastage.
The present invention is for addressing the above problem motion, and its purpose is to obtain a kind ofly can to improve quality of drawing, can prevent to read precision reduces, can effectively utilize light that light source sends and the imageing sensor that can seek to save the energy.
The imageing sensor relevant with the present invention the 1st aspect comprises: send some light-emitting components light, a plurality of linearly configurations that are used for shining original copy; Receive the photo detector of the light of original copy reflection; Make the lenticular body of reverberation imaging on above-mentioned photo detector of original copy; Be provided with a plurality of recesses that the each point light-emitting component covered and has the curved surface of the light vertical incidence that makes a light-emitting component, will put the light conductor of the photoconduction of light-emitting component to original copy by internal reflection.
The imageing sensor relevant with the present invention the 2nd aspect comprises: substrate; Be located on the substrate, send the line source of the light that is used for shining original copy; Be located at this line source on the substrate of certain intervals, receive catoptrical photo detector from original copy; Make the lenticular body of reverberation imaging on above-mentioned photo detector of original copy; The light conductor that at least one face is the photoconduction that constituted, line source come by internal reflection by curved surface on original copy and the part lenticular body opposite in periphery.
The imageing sensor relevant with the present invention the 3rd aspect uses the light conductor with the 1st and the 2nd, the 1st is exactly the plane with the parallel light of the direct projection that comes from line source on original copy and the part lenticular body opposite, and the 2nd is exactly and the 1st aspectant curved surface.
The imageing sensor relevant with the present invention the 4th aspect comprises: the line source that sends the light that is used for shining original copy; Receive catoptrical photo detector from original copy; Make the lenticular body of reverberation imaging on photo detector of original copy; The photoconduction that has emitting side end in the space between lenticular body and original copy, line source is come by internal reflection is to the light conductor of original copy.
With the relevant imageing sensor in the present invention the 5th aspect, form the inclined plane in the emitting side end, the composition of the parallel light that advances with original copy in light conductor is reflected to original copy.
With the relevant imageing sensor in the present invention the 6th aspect, light conductor is that the formed products by resin constitutes.
Fig. 1 is the structure chart of major part of the imageing sensor of expression the invention process form 1.
Fig. 2 is the front elevation of the light conductor of presentation graphs 1.
Fig. 3 is the structure chart of major part of the imageing sensor of expression the invention process form 2.
Fig. 4 is the structure chart of major part of the imageing sensor of expression the invention process form 3.
Fig. 5 is the structure chart of major part of the imageing sensor of expression the invention process form 4.
Fig. 6 is the structure chart of major part of the imageing sensor of expression the invention process form 5.
Fig. 7 is the enlarged drawing of the light conductor of presentation graphs 6.
Fig. 8 is the structure chart of major part of the imageing sensor of expression the invention process form 6.
Fig. 9 is the structure chart of major part of the imageing sensor of expression the invention process form 7.
Figure 10 is the structure chart of an example of expression conventional images transducer.
Figure 11 is the front elevation of the light conductor of expression Figure 10.
Figure 12 is the side view of expression Figure 11.
Figure 13 is other routine structure chart of expression conventional images transducer.
Figure 14 is another other routine structure chart of expression conventional images transducer.
Below, use description of drawings example of the present invention.
Example 1
Fig. 1 is the structure chart of major part of the imageing sensor of expression the invention process form 1.Fig. 2 is the front elevation of the light conductor of presentation graphs 1.Among the figure, fastening glass panels 2 on the framework 1 of each component locations of decision.Glass plate 2 is positioned on the all-moving surface of original copy 3.In addition, on framework 1, LED substrate 4 is fixed on the position that tiltedly faces toward with glass plate 2.A plurality of somes light-emitting components, be light-emitting diode 5 linearly configured in parallel on LED substrate 4, wholely constitute line source.
Between light-emitting diode 5 and glass plate 2, the radiant light that sends from light-emitting diode 5 is fixed on photoconduction on the rectangular plate shape light conductor 21 of glass plate 2 after focusing on.As light conductor 21, for example use the formed products of transparent resins such as propylene.Light conductor 21 is provided with a plurality of recesses (groove) 21a with 5 coverings of each light-emitting diode, cross section semicircular in shape, and the light that is sent by light-emitting diode 5 does not impinge perpendicularly on the light conductor 21 with having refraction.
And then, on the sensor base plate 7 that is fixed in 1 allocation of framework, with a plurality of sensor ICs 8 of suitable, the linearly configured in parallel of the amplitude that reads of imageing sensor, as photo detector.Imageing sensor 8 respectively has several mm long.Between glass plate 2 and sensor IC 8, be provided with the post set of lenses 9 that the erecting equal-magnification imaging is used, as lenticular body.This post set of lenses 9 has a plurality of post lens (not shown), be fixed on framework 1 on the fixed position.
Below, operation principle is described.The light that sends from luminous second tube sheet 5 shines on the original copy 3 by light conductor 21 and glass plate 2.At this moment, because of the light that sends from light-emitting diode 5 carries out total reflection in light conductor 21,, improved the illumination of the light that shines original copy 3 so prevented the diffusion of light.
In addition, be radiated at light on the original copy 3 according to deep or light reflection of original copy 3 images, by the post lens of post set of lenses 9, imaging on sensor IC 8.According to catoptrical intensity, on sensor IC 8, put aside electric charge, the information of intensity of reflected light is through sensor base plate 7 outputs.Therefore, on glass plate 2, move, can export the general image of original copy 3 by original copy 3.
In such imageing sensor, because of light conductor 21 is provided with recess 21a, so the light that sends from light-emitting diode 5 does not reflect ground vertical incidence light conductor 21.Therefore, also the same even utilize light conductor 21 that the light of light-emitting diode 5 is assembled with the situation that does not have light conductor 21, can shine original copy 3 equably, the chromatic dispersion of imageing sensor output is little, can improve quality of drawing.In addition, the light that light-emitting diode 5 sends can reflect to the thickness direction of light conductor 21 to recess 21a incident the time, but this refraction does not have bad influence for obtaining line source.Therefore, can ignore the refraction of light conductor thickness direction.
Have again, in above-mentioned example, make recess 21a form linearly extended groove shape, but also can make recess become hemispheric hollow at the thickness direction of light conductor 21.
Example 2
Fig. 3 is the structure chart of major part of the imageing sensor of expression the invention process form 2.Among the figure, glass plate 2, substrate 12, light conductor 22 and post set of lenses 9 location also are fixed on the framework 11.The a plurality of light-emitting diodes 5 and a plurality of sensor IC 8 that constitute line source are spaced from each other certain interval, linearly configured in parallel respectively on substrate 12.The light that light conductor 22 is used for that light-emitting diode 5 is sent is assembled back guiding original copy 3, and the 1st 22a in the periphery and the 2nd 22b are with suitable curvature bending.
In such imageing sensor, by using crooked light conductor 22, the light that light-emitting diode 5 can be sent gathering also changes its direction.Therefore, light-emitting diode 5 and sensor IC 8 can be carried on same substrate 12, and, the output of sensor base plate 12 is increased and raising S/N ratio, thus, can improve quality of drawing.In addition, by light-emitting diode 5 and sensor IC 8 are carried on same substrate 12, cut down components number, assembling is also easy simultaneously.
Have again, in above-mentioned example, used linearly configured in parallel the some light-emitting component, be light-emitting diode, but also can directly use the linearity luminous component as line source.
In addition, the curved surface 22 of light conductor 22 also can constitute polygonal by mutual obtuse-angulate a plurality of planes, but should make it crooked sleekly as far as possible, makes light form good total reflection in light conductor 22.
Example 3
Fig. 4 is the structure chart of major part of the imageing sensor of expression the invention process form 3.Among the figure, after the emitting side end 23a that the light that light-emitting diode 5 is sent is assembled the light conductor 23 of back guiding original copy 3 prolongs, be inserted between glass plate 2 and the post set of lenses 9.In addition, light conductor 23 has the 1st 23b of glass plate 2 plane inclined shapes and opposed and at the 2nd 23c of light incident side end bent with the 1st 23b.
In such imageing sensor,, invade this space so can prevent foreign matter because of the emitting side end 23a of light conductor 23 is inserted between glass plate 2 and the post set of lenses 9.Therefore, can not produce the mistake of the deep or light information of image, can improve and read precision, can improve picture quality.
In addition, in the light that light-emitting diode sends, the composition that vertically enters original copy 3 irradiation portions vertically enters the 1st 23b along original copy 3, from light-emitting diode 5 above just and the 2nd 23c of the components utilising bending of an opposite lateral reflection with irradiation portion reflect and enter in the light conductor 23, so, it is few that whole light that light-emitting diode 5 sends are reflected back, and can reduce reflection loss.
Example 4
The example that light-emitting diode 5 and sensor IC 8 carry on same substrate 12 has been shown in above-mentioned example 3, but as shown in Figure 5, if light-emitting diode 5 carries on LED substrate 4, the emitting side end 24a of light conductor 24 is prolonged and be inserted between glass plate 2 and the post set of lenses 9, therefore, also can not produce the mistake of the deep or light information of image, can improve and read precision.
Example 5
Fig. 6 is the structure chart of major part of the imageing sensor of expression the invention process form 5, and Fig. 7 is the enlarged drawing of the light conductor of presentation graphs 6.Among the figure, the emitting side end 25a of light conductor 25 is inserted between glass plate 2 and the post set of lenses 9.In addition, form inclined plane 25b at emitting side end 25a, the composition that makes the parallel light that advances with glass plate in light conductor 25 is to original copy 3 reflections.
In such imageing sensor, shown in the arrow of Fig. 7, the composition of the parallel light that advances with glass plate reflects to original copy 3 by inclined plane 25b in light conductor 25, so, can effectively utilize the light that light-emitting diode 5 sends.Therefore, the power consumption of imageing sensor can be reduced, energy can be sought to save.
Example 6
Fig. 8 is the structure chart of major part of the imageing sensor of expression the invention process form 6.Among the figure, after the emitting side end 26a that the light that light-emitting diode 5 is sent is assembled the light conductor 26 of back guiding original copy 3 prolongs, be inserted between glass plate 2 and the post set of lenses 9.In addition, light conductor 26 has to the 1st 26b of glass plate 2 plane inclined shapes with in the face of the 1st 26b and at the 2nd 26c of light incident side end bent.And then, forming inclined plane 26b at emitting side end 26a, the composition that makes the parallel light that advances with glass plate in light conductor 26 is to original copy 3 reflections.
In such imageing sensor,, invade this space so can prevent foreign matter because of the emitting side end 26a of light conductor 26 is inserted between glass plate 2 and the post set of lenses 9.Therefore, can not produce the mistake of the deep or light information of image, can improve and read precision.
In addition, in the light that light-emitting diode 5 sends, the composition that vertically enters original copy 3 irradiation portions vertically enters original copy 3 along the 1st 26b, from light-emitting diode 5 above just and the 2nd 26c of the components utilising bending of an opposite lateral reflection with irradiation portion reflect and enter in the light conductor 23, so, it is few that whole light that light-emitting diode 5 sends are reflected back, and can reduce reflection loss.
And then the composition of the parallel light that advances with glass plate reflects to original copy 3 by inclined plane 26b in light conductor 26, so, can effectively utilize the light that light-emitting diode 5 sends.Therefore, the power consumption of imageing sensor can be reduced, energy can be sought to save.
Example 7
Fig. 9 is the structure chart of major part of the imageing sensor of expression the invention process form 7.Among the figure, glass plate 2, the light conductor 27 that a plurality of light-emitting diodes 5 are housed, post set of lenses 9 and be equipped with sensor base plate 16 location of sensor IC 8 and be fixed on the framework 14.Light conductor 27 is covered by outer cover 17 except that the 27a of emitting side end.
In addition, the emitting side end 27a of light conductor 27 is inserted between glass plate 2 and the post set of lenses 9.And then, form inclined plane 27b at emitting side end 27a, make in light conductor 27 and reflect to original copy 3 with the composition of the glass plate 2 parallel light that advance.And then also have, on a part of periphery of light conductor 27, be provided with light diffusion layer (not shown), the light in the light conductor 27 is reflected to emitting side end 27a.
In such transducer, reflect through light diffusion layer and outer cover 17 from the light of light-emitting diode 5 to light conductor 15 incidents, then penetrate from emitting side end 27a.The light that penetrates from light conductor 27 is radiated on the original copy 3 by glass plate 2.In addition, pass through post lens imaging on sensor IC 8 of post set of lenses 9 by the light of original copy 3 reflections.
At this moment, because of the emitting side end 27a of light conductor 27 is inserted between glass plate 2 and the post set of lenses 9, enter this space so can prevent foreign matter.So, can not produce the mistake of the deep or light information of image, can improve and read precision.In addition, the composition of the parallel light that advances with glass plate reflects to original copy 3 by inclined plane 27b in light conductor 27, so, can effectively utilize the light that light-emitting diode 5 sends.Therefore, the power consumption of imageing sensor can be reduced, energy can be sought to save.
Have again, in above-mentioned example 2～7, the incident end face of light conductor is made flat shape, the recess resembling shown in the example 1 can certainly be set.
In addition, in above-mentioned example, the position that shows with 2 pairs of original copys 3 of glass plate positions, but also can omit glass plate 2.
And then, in above-mentioned example, constitute light conductor by the formed products of resin, but also can constitute by materials such as for example glass.
As mentioned above, the imageing sensor of the present invention the 1st aspect, because of the recess that is provided with covering point light-emitting component, the light that a light-emitting component is sent impinge perpendicularly on light conductor, even so utilize light conductor to assemble, the light of some light-emitting component is also with there not being light conductor the same, can shine original copy 3 equably, the chromatic dispersion of output is reduced, can improve quality of drawing.
The imageing sensor of the present invention the 2nd aspect, because of at least one face in the periphery of light conductor by curved surface constitute, will be by light conductor from being located at photoconduction that the line source on the same substrate sends on original copy and the part lenticular body opposite with photo detector, so improved the S/N ratio and improved quality of drawing, can cut down components number, simultaneously also assembling easily.
The imageing sensor of the present invention the 3rd aspect, because of used have with the plane of the parallel light of the direct projection that comes from line source on original copy and the part lenticular body opposite, promptly the 1st and with the 1st aspectant curved surface, i.e. the 2nd light conductor, vertically enter original copy so in the light that line source sends, vertically enter the composition of original copy along the 1st, the 2nd face of remaining components utilising bending reflects and enters in the light conductor, so, it is few that whole light that line source sends are reflected back, can reduce reflection loss, can improve the S/N ratio and improve quality of drawing.
The imageing sensor of the present invention the 4th aspect, because of the emitting side end of light conductor is inserted in the space between lenticular body and the original copy, invade above-mentioned space so can prevent foreign matter, can prevent to produce the mistake of the deep or light information of image, can improve and read precision and improve picture quality.
The imageing sensor of the present invention the 5th aspect, because of form the inclined plane in the emitting side end, the composition of the parallel light that advances with original copy in light conductor is reflected to original copy, so can effectively utilize the light that line source sends, can improve picture quality thus, can reduce power consumption and seek to save energy simultaneously.
The imageing sensor of the present invention the 6th aspect is because of light conductor is that formed products by resin constitutes, so can produce complex-shaped light conductor easily.
Claims (6)
1. an imageing sensor is characterized in that, comprising:
Send some light-emitting components light, a plurality of linearly configurations that are used for shining original copy;
Reception is from the catoptrical photo detector of above-mentioned original copy reflection;
Make from the lenticular body of the next reverberation imaging on above-mentioned photo detector of above-mentioned original copy;
Be provided with a plurality of recesses that premises light-emitting component covered and has the curved surface of the light vertical incidence that makes above-mentioned some light-emitting component, by internal reflection with the photoconduction of above-mentioned some light-emitting component light conductor to above-mentioned original copy.
2. an imageing sensor is characterized in that, comprising:
Substrate;
Be located on this substrate, send the line source of the light that is used for shining original copy;
Be located at this line source on the aforesaid substrate of certain intervals, receive catoptrical photo detector from above-mentioned original copy;
Make from the lenticular body of the next reverberation imaging on above-mentioned photo detector of above-mentioned original copy;
The light conductor that at least one face is the photoconduction that constituted, above-mentioned line source come by internal reflection by curved surface on above-mentioned original copy and part said lens body opposite in periphery.
3. the imageing sensor of claim 2 record, it is characterized in that, light conductor has the 1st and the 2nd, and the 1st is exactly the plane with the parallel light of the direct projection that comes from line source on original copy and the part lenticular body opposite, and the 2nd is exactly and the 1st aspectant curved surface.
4. an imageing sensor is characterized in that, comprising:
Send the line source of the light that is used for shining original copy;
Receive catoptrical photo detector from above-mentioned original copy;
Make the lenticular body of the next reverberation imaging on above-mentioned photo detector of above-mentioned original copy;
The photoconduction that has emitting side end in the space that is inserted between this lenticular body and the above-mentioned original copy, above-mentioned line source is come by internal reflection is to the light conductor of above-mentioned original copy.
5. the imageing sensor of claim 4 record is characterized in that, forms the inclined plane in the emitting side end, and the composition of the parallel light that advances with original copy in light conductor is reflected to original copy.
6. the imageing sensor of claim 1 each record to the claim 5 is characterized in that, light conductor is that the formed products by resin constitutes.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP234661/97 | 1997-08-29 | ||
| JP9234661A JPH1175015A (en) | 1997-08-29 | 1997-08-29 | Image sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1210416A true CN1210416A (en) | 1999-03-10 |
Family
ID=16974511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98104407 Pending CN1210416A (en) | 1997-08-29 | 1998-02-12 | Image sensor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH1175015A (en) |
| CN (1) | CN1210416A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101370068B (en) * | 2007-08-14 | 2011-02-02 | 威海华菱光电有限公司 | Contact type image sensor with high reading quality and low cost |
| CN101374188B (en) * | 2007-08-22 | 2011-04-20 | 威海华菱光电有限公司 | Image sensor |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4625279B2 (en) | 2004-07-09 | 2011-02-02 | 株式会社リコー | Illumination apparatus, image reading apparatus, and image forming apparatus |
| US7760403B2 (en) | 2005-06-14 | 2010-07-20 | Ricoh Co., Ltd. | Optical irradiation apparatus, image reading apparatus using the same, and image forming apparatus using the same |
| US7706030B2 (en) * | 2006-04-21 | 2010-04-27 | Xerox Corporation | Document illuminator with parabolic optical element |
| JP2010107757A (en) * | 2008-10-30 | 2010-05-13 | Sharp Corp | Illuminating device, image reader, and image forming apparatus |
| US9253359B2 (en) | 2009-12-28 | 2016-02-02 | Canon Components, Inc. | Contact image sensor unit including a detachable light guide supporting member and image reading apparatus using the same |
| JP5139507B2 (en) | 2010-12-10 | 2013-02-06 | キヤノン・コンポーネンツ株式会社 | Image sensor unit and image reading apparatus |
| JP5204207B2 (en) | 2010-12-17 | 2013-06-05 | キヤノン・コンポーネンツ株式会社 | Image sensor unit and image reading apparatus using the same |
| JP5244952B2 (en) | 2010-12-21 | 2013-07-24 | キヤノン・コンポーネンツ株式会社 | Image sensor unit and image reading apparatus |
| JP5384471B2 (en) | 2010-12-28 | 2014-01-08 | キヤノン・コンポーネンツ株式会社 | Image sensor unit and image reading apparatus |
| JP5400188B2 (en) | 2011-05-11 | 2014-01-29 | キヤノン・コンポーネンツ株式会社 | Image sensor unit and image reading apparatus and image forming apparatus using the same |
| JP5518953B2 (en) * | 2011-08-09 | 2014-06-11 | キヤノン・コンポーネンツ株式会社 | Image sensor unit and image reading apparatus |
| JP7097414B2 (en) * | 2020-09-23 | 2022-07-07 | レノボ・シンガポール・プライベート・リミテッド | Electronics |
-
1997
- 1997-08-29 JP JP9234661A patent/JPH1175015A/en active Pending
-
1998
- 1998-02-12 CN CN 98104407 patent/CN1210416A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101370068B (en) * | 2007-08-14 | 2011-02-02 | 威海华菱光电有限公司 | Contact type image sensor with high reading quality and low cost |
| CN101374188B (en) * | 2007-08-22 | 2011-04-20 | 威海华菱光电有限公司 | Image sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1175015A (en) | 1999-03-16 |
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